package old;

/**
 * @author vivi
 * @description
 * @date 2024/5/19
 */
public class Bottom {
    private Tire tire;

    public Bottom(int size) {
        tire = new Tire(size);
    }
    public void init() {
        //依赖轮胎
        System.out.println("构造了 bottom init方法");
        tire.init();
    }

}
